The Mirka Roundy is ergonomically designed to fit into the palm and is suitable for multiple operations from paint stripping to lacquer & paint sanding. The Roundy features 34 dust extraction holes making it a versatile and practical hand block that accepts both Abranet® abrasives and 15-hole 6" discs, which wrap around its sides to help with corners and other hard to reach areas. The Roundy kit includes the ergonomic hand block + hose + 15 Abranet strips (5 each of P120, P180, and P240 grits).